<http://schema.org/target>
"http://www.audible.com/search?advsearchKeywords={search_term_string}"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.audible.com/pd/Romance/Where-You-Are-Audiobook/B00AB2A1WY/ref=pd_rsp_tl_rd_2>